It is not a long range weapon, nor was it ever intended as such. But it is an extremely compact and handy weapon and has been well proven by several militaries and seen a lot of combat in at least 3 major wars.
The iron sights on the carbie are supposed to be pretty good, and I want my kids to get a solid foundation in shooting irons, so I’ll probably not put on a red dot. I want the kids to learn irons while they have the sharp eyes.